Every time Google (or Alphabet, as the parent company now prefers to be called) releases an app, it's worth watching. YouTube Music is no different, and while the app first hit the App Store prior to this year, only the most recent version has rocketed it to prominence.

Indeed, YouTube Music is currently in the rarified air enjoyed by the likes of Pokemon GO and Bitmoji Keyboard. So what is it, and should you make space for it on your iPhone or iPad? That's what we're here to investigate.

Spotify Music has a lot going on. They're introducing 3 new modes to serve all your musical needs, with the "Now" start page gives you curated playlists based on your particular tastes. As you listen the app will learn more about your tastes and adapt to choose better music for you.